#!/usr/bin/env node


const http = require('http'),
      url = require('url'),
      qs = require('querystring');

http.createServer((req,res) => {
  const addr = url.parse(req.url);
  if(addr.pathname === '/add'){
    const arg = qs.parse(addr.query);
    const r = {};
    r.add = Number(arg.x) + Number(arg.y);
    res.end(JSON.stringify(r))
  }
}).listen(8080)
